/* 程序8-3 打印exit状态的说明 */
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <stdio.h>
		
void pr_exit(int status)
{
	if (WIFEXITED(status))
		printf("normal termination, exit status = %d\n", WEXITSTATUS(status));
	else if (WIFSIGNALED(status))
		printf("abnormal termination, signal number = %d%s\n", WTERMSIG(status),
#ifdef	WCOREDUMP
				WCOREDUMP(status) ? " (core file generated)" : "");
#else
				"");
#endif
	else if (WIFSTOPPED(status))
		printf("child stopped, signal number = %d\n", WSTOPSIG(status));
}
